Warfarin confusion

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Editor, – I refer to the previous correspondence regarding the confusion over the use of Coumadin and Marevan ('Letters' Aust Prescr 1997;20:33).

If no immediate solution exists, all new patients should be commenced on one dominant brand, and the other used only for continuation of treatment. This should progressively eliminate confusion, so that in 5 years, remaining patients could be converted, at smaller risk and inconvenience.

John D. Egan
General Practitioner
Harbord, N.S.W.